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starknet.cairo
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starknet.cairo
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%lang starknet
from starkware.cairo.common.cairo_builtins import HashBuiltin
from starkware.starknet.common.syscalls import get_caller_address
@storage_var
func names(address) -> (name: felt) {
}
@event
func stored_name(address: felt, name: felt){
}
@constructor
func constructor{syscall_ptr: felt*, pedersen_ptr: HashBuiltin*, range_check_ptr}(_name: felt) {
let (caller) = get_caller_address();
names.write(caller, _name);
return ();
}
@external
func store_name{syscall_ptr: felt*, pedersen_ptr: HashBuiltin*, range_check_ptr}(_name: felt){
let (caller) = get_caller_address();
names.write(caller, _name);
stored_name.emit(caller, _name);
return ();
}
@view
func get_name{syscall_ptr: felt*, pedersen_ptr: HashBuiltin*, range_check_ptr}(_address: felt) -> (name: felt){
let (name) = names.read(_address);
return (name,);
}